JPS5744732B2 - - Google Patents
Info
- Publication number
- JPS5744732B2 JPS5744732B2 JP55032115A JP3211580A JPS5744732B2 JP S5744732 B2 JPS5744732 B2 JP S5744732B2 JP 55032115 A JP55032115 A JP 55032115A JP 3211580 A JP3211580 A JP 3211580A JP S5744732 B2 JPS5744732 B2 JP S5744732B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/032,665 US4216011A (en) | 1979-04-23 | 1979-04-23 | Method and apparatus for the secondary gaseous reduction of metal ores |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55141507A JPS55141507A (en) | 1980-11-05 |
| JPS5744732B2 true JPS5744732B2 (no) | 1982-09-22 |
Family
ID=21866147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3211580A Granted JPS55141507A (en) | 1979-04-23 | 1980-03-13 | Method and apparatus for reducing particulate metal ore to metal particle |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4216011A (no) |
| JP (1) | JPS55141507A (no) |
| AR (1) | AR218580A1 (no) |
| CA (1) | CA1143574A (no) |
| DE (1) | DE3008445C2 (no) |
| ES (1) | ES8105395A1 (no) |
| MX (1) | MX154949A (no) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381939A (en) * | 1981-01-29 | 1983-05-03 | Midrex Corporation | Method for selective reduction of metallic oxides |
| DE3317701C2 (de) * | 1983-05-16 | 1986-08-07 | Hylsa S.A., Monterrey, N.L. | Verfahren zum Betreiben eines Bewegtbett-Reduktionsreaktors mit vertikalem Schacht zum Reduzieren von Eisenerz zu Schwammeisen |
| US4536213A (en) * | 1984-09-10 | 1985-08-20 | Mildrex International, B.V. | Reforming of higher hydrocarbons for metal oxide reduction |
| EP0850881B1 (de) * | 1996-12-27 | 2002-08-21 | Ruthner, Michael Johann, Dipl.Ing. Dr.mont. | Verfahren und Vorrichtung zur Herstellung von Eisenoxiden aus salzsauren eisenchloridhaltigen Lösungen |
| DE19853836C2 (de) * | 1998-11-21 | 2002-02-21 | Internat Briquettes Holding Ca | Verfahren zur Direktreduktion von Oxiden |
| DE19960575A1 (de) * | 1999-12-15 | 2001-06-21 | Krupp Polysius Ag | Verfahren und Anlage zur Reduktion von Feinerzen |
| US8771638B2 (en) | 2009-04-20 | 2014-07-08 | Midrex Technologies, Inc. | Method and apparatus for sequestering carbon dioxide from a spent gas |
| CN102405274B (zh) * | 2009-04-20 | 2014-03-12 | 米德雷克斯技术公司 | 从废气中分离二氧化碳的方法和设备 |
| US10065857B2 (en) | 2013-03-12 | 2018-09-04 | Midrex Technologies, Inc. | Systems and methods for generating carbon dioxide for use as a reforming oxidant in making syngas or reformed gas |
| CN113789420B (zh) * | 2021-08-10 | 2022-05-31 | 赵晓 | 一种含铁粉料在还原性气氛中直接炼钢装置及使用方法 |
| DE102021122351A1 (de) * | 2021-08-30 | 2023-03-02 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung einer Eisenschmelze |
| CN117419566B (zh) * | 2023-12-18 | 2024-03-15 | 河北睿阳稀有金属制品有限公司 | 一种海绵铪生产用还原装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2740706A (en) * | 1951-10-10 | 1956-04-03 | Texaco Development Corp | Method of reducing metal oxides |
| US3147106A (en) * | 1961-04-06 | 1964-09-01 | Hydrocarbon Research Inc | Use of lined passivation chamber in an iron powder passivating process |
| US3385694A (en) * | 1964-12-09 | 1968-05-28 | Stora Kopparbergs Bergslags Ab | Method of producing iron powder from pig iron or such and iron oxides |
| US3637368A (en) * | 1968-10-16 | 1972-01-25 | Exxon Research Engineering Co | Increased metallizations of iron ore from fluidized bed processes |
| US3788835A (en) * | 1970-12-30 | 1974-01-29 | Exxon Research Engineering Co | Iron ore reduction process(nu-9) |
| US3732092A (en) * | 1972-03-31 | 1973-05-08 | Bethlehem Steel Corp | Heat treatment of iron powder |
| JPS5219823B2 (no) * | 1972-12-25 | 1977-05-31 | ||
| US4017305A (en) * | 1975-04-15 | 1977-04-12 | United States Steel Corporation | Process for heat hardening |
| AU496945B2 (en) * | 1975-05-19 | 1978-11-16 | Midrex International B.V. Rotterdam | Producing metallized product |
| US4150972A (en) * | 1977-11-17 | 1979-04-24 | Fierro Esponja, S.A. | Controlling carburization in the reduction of iron ore to sponge iron |
-
1979
- 1979-04-23 US US06/032,665 patent/US4216011A/en not_active Expired - Lifetime
-
1980
- 1980-03-05 DE DE3008445A patent/DE3008445C2/de not_active Expired
- 1980-03-06 CA CA000347113A patent/CA1143574A/en not_active Expired
- 1980-03-13 JP JP3211580A patent/JPS55141507A/ja active Granted
- 1980-03-19 MX MX181641A patent/MX154949A/es unknown
- 1980-03-20 AR AR280372A patent/AR218580A1/es active
- 1980-03-20 ES ES489753A patent/ES8105395A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3008445C2 (de) | 1987-03-19 |
| US4216011A (en) | 1980-08-05 |
| JPS55141507A (en) | 1980-11-05 |
| CA1143574A (en) | 1983-03-29 |
| DE3008445A1 (de) | 1980-11-06 |
| ES489753A0 (es) | 1981-05-16 |
| MX154949A (es) | 1988-01-13 |
| AR218580A1 (es) | 1980-06-13 |
| ES8105395A1 (es) | 1981-05-16 |